321453868056 has 32 divisors (see below), whose sum is σ = 804520760640. Its totient is φ = 107033143968.

The previous prime is 321453868049. The next prime is 321453868111. The reversal of 321453868056 is 650868354123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7361866 + ... + 7405401.

It is an arithmetic number, because the mean of its divisors is an integer number (25141273770).

Almost surely, 2^321453868056 is an apocalyptic number.

It is an amenable number.

321453868056 is an abundant number, since it is smaller than the sum of its proper divisors (483066892584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321453868056 is a wasteful number, since it uses less digits than its factorization.

321453868056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768183 (or 14768179 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 321453868056 in words is "three hundred twenty-one billion, four hundred fifty-three million, eight hundred sixty-eight thousand, fifty-six".